Gene-edited Cells Keep Cancer Babies Well More Than One Year On

Layla Richards became the first person in the world to get the "off-the-shelf" cell therapy developed by French biotech firm Cellectis at Britain's Great Ormond Street Hospital in 2015. A second girl was treated soon afterwards.

Now the team involved in both cases have published details of their work in a peer-reviewed journal, reporting that the two girls remained disease-free 18 and 12 months after treatment respectively.

Waseem Qasim, a consultant immunologist at the London hospital, said the two cases showed the gene-edited cells were working, although long term monitoring was still required.

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